meta-zaius: Use udev dev and fix DEVPATH/PATH

For the checkstop GPIO monitoring configuration, use gpio-keys device
created by udev rule. Also port the DEVPATH fix for the $PATH env being
overridden.

Change-Id: I9ff522b20bdf92f1832dccb9f87664b6104bb5c1
Signed-off-by: Xo Wang <xow@google.com>
1 file changed